CVE-2009-0451: SQL injection vulnerability in Skalfa SkaLinks 1.5 allows remote attackers to execute arbitrary SQL commands v

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HIGH 7.5DOWNGRADE

CVE-2009-0451 is a high-severity flaw (CVSS 7.5) affecting skalinks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in Skalfa SkaLinks 1.5 allows remote attackers to execute arbitrary SQL commands via the Admin name field to the default URI under admin/.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-02-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: skalinks

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-02-10 07:00 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

skalinks skalinks DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

apt-cache policy skalinks || rpm -q skalinks || skalinks --version

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison skalinks sudo apt install skalinks=<VERSION_BEFORE_1.5> sudo apt-mark hold skalinks

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list skalinks sudo dnf downgrade skalinks-<VERSION_BEFORE_1.5> sudo dnf versionlock add skalinks

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: SkaLinks 1.5 - Authentication Bypass

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2009-0451?

skalinks: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-0451 being exploited?

CVE-2009-0451 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2009-0451 affect?

CVE-2009-0451 affects skalinks. Severity is high (CVSS 7.5). SQL injection vulnerability in Skalfa SkaLinks 1.5 allows remote attackers to execute arbitrary SQL commands via the Admin name field to the default URI under admin/.

How urgent is CVE-2009-0451?

Priority 47/100. High severity; Public exploit reference

References

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